Trail Running calendar near Portsmouth 2025-2026

HAVOC Twilight Series 2025 No.1 – South Ockendon is a mid‑week twilight street orienteering event in the village of South Ockendon, north of the Dartford Crossing and Lakeside. The event is MapRun-based with a single score course and two time limits: 60 minutes (Long) and 40 minutes (Short). Points..

Isle of Wight Fell Race Series, staged by Ryde Harriers, is the island’s Fell Running Championship Series incorporating the SEAA Fell Running Championships. The 2025 edition runs Saturday 13 and Sunday 14 September, with headquarters at St Catherine's School, Ventnor. It features three races: St Bon..

The c2c Essex Ultra 2025 is a charity ultramarathon along the Essex Riviera, held in September. Contestants can choose 50 miles from Upminster or 30 miles from Tilbury, finishing at Thorpe Bay. The course follows the Thames eastward, using the London Loop and England Coast Path, with mainly tarmac u..

Bewl Water Autumn is a scenic bi-annual race series held near the Bewl Water Visitor Centre in Lamberhurst, Kent. The event features four distances: 10km, half marathon, marathon, and a 50km ultra, all following routes around the reservoir. The courses combine undulating rural wooded trails and quie..

Brighton 50/50 September 2025, organized by RunThrough UK, offers three trail distances—50 miles, 50k, and 23k—starting and finishing on Brighton Beach at Black Rock/Madeira Drive. The 50-mile route weaves from the beach through the South Downs to Beachy Head and back along the coastline, featuring..

Thames Path Challenge, part of Ultra Challenge’s popular series, is a river-side endurance event in England. The main 100 km route runs from Fulham (Putney Bridge) to Henley-on-Thames along the Thames Tow Path, passing Richmond, Hampton Court, Runnymede and Windsor to a riverside finish. Distances o..

The CapTEN & Bosun is a pair of fell runs along the Jurassic Coast near Seatown, Bridport, West Dorset. Runners can choose The Bosun, a single lap of about 5 miles, or The CapTEN, a double lap totaling around 11 miles. The courses follow the South West Coast Path and showcase Thorncombe Beacon and G..

Bradley Fell Race, a BOFRA Championship counter, takes place in Bradley Village, near Skipton, North Yorkshire. The 3.50-mile (5.60 km) course features about 800 ft (274 m) of climb, starting with a steady ascent up fields and tracks to High Bradley, then a steep climb to the top of Bradley Moor. Th..

The Sandridge 10k is a scenic trail running event set in the picturesque village of Sandridge, near St Albans. Participants can enjoy a beautiful 10k course that showcases the natural beauty of the area. The event is organized by Active Training World, and it promises a rewarding experience for both..

The Run London Epping Forest Trail 10k is a popular running event scheduled for September 14, 2025, in the scenic Epping Forest, Chingford. Participants will complete a 10k course consisting of two laps through the forest, known for its rich biodiversity and beautiful landscapes. The race is designe..

The Alf Shrubb Memorial is a chip-timed running event held in Slinfold, West Sussex, celebrating the legacy of local running legend Alf Shrubb. The event features both 10k and 5k mixed trail races through scenic Sussex countryside, utilizing local footpaths, bridleways, and trails. The race starts a..

The Ashtead 10k and 2k fun run, organized annually by Ashtead Running Group, takes place at Ashtead Common, a protected natural reserve in Ashtead, UK. The event features a challenging 10k race and a 2k kids' run on undulating rough tracks through a Site of Special Scientific Interest, known for its..

Epsom Street O is the opening event in MVOC’s eight-event Street O series, staged in the Mole Valley area around Epsom. The Barley Mow pub at 12 Pikes Hill hosts the start, finish and post-race refreshments. The course is a 60-minute Score (with a 40-minute option) on a 1:10,000 OpenStreetMap-based..

The Guided Half Marathon - Winchester will take place in Winchester on Saturday 20 September 2025. You can run 13 miles.

The Yard Trail Races, hosted at Chilton Manor Farm in Hampshire, offers participants two scenic routes: a 10k and a 10-mile trail run. Both routes begin and end on a historic avenue lined with 800-year-old Yew trees, providing stunning views. Runners are welcomed at the finish line by friendly marsh..

Hambledon Hilly is a multi-distance trail running event at Hambledon Vineyard in Hampshire, England. The lineup includes 1km, 2km, 5km, 10km and 20km races, with age limits for each distance. The children’s races run inside the estate, while the longer races start and finish at the vineyard; the 20k..

The Conquest of Avalon is a scenic ultra running event held in Somerset, England, finishing in the legendary town of Glastonbury near the iconic Tor. It offers two distances: a 30-mile and a 50-mile race, both primarily following the historic Leland Trail with the 30-miler diverting onto the Lands E..

Humanity Direct Tring Ultra is a one-day endurance event based at Tring Cricket Club in Hertfordshire, near London. Distances available: 50 km ultra, 27 km half ultra, and 10 km. Elevation gain: 135–597 m.The route showcases the Chilterns, including Ashridge Forest, the Grand Union Canal, and Wendov..

Centurion Running’s Chiltern Wonderland 50 is a 50-mile single-loop ultramarathon set in the Chiltern Hills, starting and finishing in Goring-on-Thames, Oxfordshire. The route climbs around 5,600 feet and traverses picturesque villages rich in history, including locations made famous by British film..

BigSky Trails (AIR) is the final event in the Classic Element Trail Series, organized by BigFeat Events. Set in the picturesque New Forest National Park, this trail running event offers participants the choice of an 18-mile route or a marathon distance. Runners will experience stunning views and div..